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Dibromomethane (CAS#74-95-3)

Hantida Kiimikada:

Qaanuunka molecular CH2Br2
Molar Mass 173.83
Cufnaanta 2.477g/mLat 25°C(iftiin)
Meesha dhalaalaysa -52 °C
Boling Point 96-98°C( shid)
Barta Fiishka 96-98°C
Biyuhu milmayn 0.1 g/100 mL (20ºC)
Solubility 11.7g/l
Uumiga Uumiga 34.9 mm Hg (20 °C)
Cufnaanta uumiga 6.05 ( vs hawada)
Muuqashada Dareeraha
Midabka Cad aan midab lahayn ilaa in yar oo bunni ah
Merck 14,6061
BRN 969143
Xaalada Kaydinta Ku kaydi meel ka hooseysa +30°C.
Xasilooni Deggan Aan ku habboonayn walxaha oksaydhiyeyaasha xooggan, aluminium, magnesium. Wuxuu si xun uga falceliyaa potassium.
Tusmada Dib-u-celinta n20/D 1.541 (lit.)
Tilmaamaha Jirka iyo Kiimikada Astaamaha dareeraha jaalaha ah ee aan midab lahayn ama khafiifka ah.
dhibic dhalaalaysa -52.5 ℃
barta karkarinta 97 ℃
cufnaanta qaraabo 2.4970
index refractive 1.5420
milanka qallafsanaanta leh ethanol, ether iyo acetone
Isticmaal Loo isticmaalo sida walxo ceeriin ah oo loogu talagalay isku-darka organic, waxaa loo isticmaali karaa sida dareere, qaboojiye, ololka celinaya iyo qaybaha wakiilka antiknock, daawada loo isticmaalo jeermiska iyo magaalada

Faahfaahinta Alaabta

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Xeerarka Khatarta R20 – Waxyeello bay u leedahay neefsashada
R52/53 - Waxyeelo u leh noolaha biyaha, waxay u keeni kartaa saameyn xun muddo dheer deegaanka biyaha.
R39/23/24/25 -
R23/24/25 - Sunta neefsashada, taabashada maqaarka iyo haddii la liqo.
R11 - Aad u guban kara
Sharaxaada Badbaadada S24 - Iska ilaali taabashada maqaarka.
S61 - Iska ilaali in lagu sii daayo deegaanka. Tixraac tilmaamaha gaarka ah / xaashiyaha xogta badbaadada.
S45 - Haddii ay dhacdo shil ama haddii aad dareento xanuun, raadso talo caafimaad isla markiiba (tus calaamadda mar kasta oo ay suurtagal tahay.)
S36/37 - Xidho dhar difaac ku haboon iyo galoofyada.
S16 - Ka fogow ilaha dabka.
S7 - weelka si adag u xidh.
Aqoonsiga UN-ka UN 2664 6.1/PG 3
WGK Germany 2
RTECS PA7350000
TSCA Haa
Koodhka HS 2903 39 15
Heerka khatarta 6.1
Kooxda Baakadaha III
Sunta LD50 afka ah ee Bakaylaha: 108 mg/kg LD50 bakaylaha maqaarka> 4000 mg/kg

 

Hordhac

Dibromomethane. Kuwa soo socdaa waa horudhac ku saabsan guryaha, isticmaalka, hababka diyaarinta iyo macluumaadka badbaadada dibromomethane:

 

Tayada:

Waxay leedahay ur ba'an heerkulka qolka waana mid aan lagu milmi karin biyaha, laakiin waxay ku milmaan dareerayaal badan oo dabiici ah oo caadi ah.

Dibromomethyl waa walax kiimikaad ah oo deggan oo aan si sahal ah u dumin ama u dhicin fal-celin kiimikaad.

 

Isticmaal:

Dibromomethane waxaa inta badan loo isticmaalaa sida dareere loogu talagalay falcelinta synthesis organic, milminta ama soo saarida lipids, resins iyo walxaha kale ee organic.

Dibromomethane sidoo kale waxaa loo isticmaalaa sida walxo cayriin ah oo loogu talagalay diyaarinta xeryahooda kale ee organic, waxayna leedahay codsiyo hababka warshadaha qaarkood.

 

Habka:

Dibromomethane waxaa badanaa lagu diyaariyaa iyadoo la falcelinayo methane leh bromine.

Marka la eego xaaladaha falcelinta, bromine wuxuu awoodaa inuu beddelo hal ama in ka badan atamka hydrogen ee methane si uu u sameeyo dibromomethane.

 

Macluumaadka Badbaadada:

Dibromomethane waa sun waxaana lagu nuugi karaa neefsashada, taabashada maqaarka, ama nuugista. Soo-gaadhista muddada-dheer waxay yeelan kartaa saameyn caafimaad oo xun.

Qalabka ilaalinta shakhsi ahaaneed ee habboon sida galoofyada, muraayadaha indhaha, iyo gaashaanka wejiga waa in la xidho marka la isticmaalayo.

Waa in taxaddar la sameeyaa si looga fogaado in lala xiriiro ilaha dabka marka la qabanayo iyo la kaydinayo dibromomethane, maadaama ay tahay mid gubanaysa.

Dibromomethane waa in lagu kaydiyaa meel ka fog kulaylka iyo heerkulka sare meel qabow oo hawo fiican leh.

Markaad isticmaalayso, kaydinayso ama la tacaalayso dibromomethane, hababka qalliinka badbaadada leh waa in si adag loo raaco si loo xaqiijiyo badbaadada shakhsi ahaaneed. Haddii ay shilal dhacaan, waa in la qaado tallaabooyin degdeg ah oo ku habboon.


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